diff --git a/contribute/developer-guide.md b/contribute/developer-guide.md
index ee3a4e6096d..911463b0b7f 100644
--- a/contribute/developer-guide.md
+++ b/contribute/developer-guide.md
@@ -48,7 +48,7 @@ Grafana consists of two components; the _frontend_, and the _backend_.
 Before we can build the frontend assets, we need to install the dependencies:
 
 ```
-yarn install --pure-lockfile
+yarn install --immutable
 ```
 
 After the command has finished, we can start building our source code:
diff --git a/packages/grafana-toolkit/README.md b/packages/grafana-toolkit/README.md
index a63160458f2..cd9938616ea 100644
--- a/packages/grafana-toolkit/README.md
+++ b/packages/grafana-toolkit/README.md
@@ -309,7 +309,7 @@ You can contribute to grafana-toolkit by helping develop it or by debugging it.
 Typically plugins should be developed using the `@grafana/toolkit` installed from npm. However, when working on the toolkit, you might want to use the local version. Follow the steps below to develop with a local version:
 
 1. Clone [Grafana repository](https://github.com/grafana/grafana).
-2. Navigate to the directory you have cloned Grafana repo to and then run `yarn install --pure-lockfile`.
+2. Navigate to the directory you have cloned Grafana repo to and then run `yarn install --immutable`.
 3. Navigate to `<GRAFANA_DIR>/packages/grafana-toolkit` and then run `yarn link`.
 4. Navigate to the directory where your plugin code is and then run `npx grafana-toolkit plugin:dev --yarnlink`. This adds all dependencies required by grafana-toolkit to your project, as well as link your local grafana-toolkit version to be used by the plugin.